7142912951 has 4 divisors (see below), whose sum is σ = 7159037352. Its totient is φ = 7126788552.

The previous prime is 7142912927. The next prime is 7142912981. The reversal of 7142912951 is 1592192417.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142912951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7142912899 and 7142912908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142912911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8061536 + ... + 8062421.

It is an arithmetic number, because the mean of its divisors is an integer number (1789759338).

Almost surely, 2^7142912951 is an apocalyptic number.

7142912951 is a deficient number, since it is larger than the sum of its proper divisors (16124401).

7142912951 is a wasteful number, since it uses less digits than its factorization.

7142912951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124400.

The product of its digits is 45360, while the sum is 41.

The square root of 7142912951 is about 84515.7556376324. The cubic root of 7142912951 is about 1925.8618012040.

The spelling of 7142912951 in words is "seven billion, one hundred forty-two million, nine hundred twelve thousand, nine hundred fifty-one".